/Engine/Source/Editor/EditorWidgets/Public/Filters/CustomClassFilterData.h
Get the Catgories this filter belongs to
[TArray](API\Runtime\Core\Containers\TArray)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FFilterCategory](API\Developer\ToolWidgets\Filters\FFilterCategory) > > GetCategories() const